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Which of the following is NOT true of damage tolerance?

  • A.It assumes cracks are present from the outset
  • B.Inspection intervals follow from crack growth analysis
  • C.Two inspections must fall within the growth period
  • D.It removes the need for scheduled inspection

Answer: D

Correct answer: It removes the need for scheduled inspection

Damage tolerance depends on inspection rather than replacing it. The philosophy assumes a crack is present, calculates how long it takes to grow to critical, and sets the inspection interval so that at least two opportunities to find it fall within that period. Remove the inspections and the whole argument collapses.

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